Sidwick,, H. (2003). Methods of ethics. Cosmo.
Chicago Edition CitationSidwick,, Henry. Methods of Ethics. New Delhi: Cosmo, 2003.
MLA引文Sidwick,, Henry. Methods of Ethics. Cosmo, 2003.
警告：這些引文格式不一定是100％准確.
APA引文
Sidwick,, H. (2003). Methods of ethics. Cosmo.
Chicago Edition CitationSidwick,, Henry. Methods of Ethics. New Delhi: Cosmo, 2003.
MLA引文Sidwick,, Henry. Methods of Ethics. Cosmo, 2003.